OpenTechnical

OT-2026-000091777

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000091777) never changes.

Identity and time

Publication numberOT-2026-000091777 · never reused
Internal UUID01a0ae9d-43b9-7121-90c8-5fb7d5b3facc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091777
StatusPUBLIC

Content hashes

Canonical text20ef0cdf4de3816f4100ebfffb766eb83e52f4e10e7bff1ab40f6dc402da7044
Markdownfb9962b97cf88e472401e8d0df85af2a286e5e8c153ea0e760e4e06afc16cf84
PDF
Publication pagee0f0868d38bf40c4912634007ada42c378351d7541a2fafec12728d4d2cd589a
Manifest895703743ad30d5575e2bfbe79903c8b6dd6c95cf73147b3dae066939f92cc78

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturekuqNAHJ28sIo1FtkOjxf6dSejf/YSO9zglFY+0a+R3rsNLcWm5xIzHqgE25jUMKReqEC0X6dv2Qo6A++mzrOCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:40.372551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091777
observed e0f0868d38bf40c4912634007ada42c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.355326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091777/manifest.json
observed 895703743ad30d5575e2bfbe79903c8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.336273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091777/publication.md
observed fb9962b97cf88e472401e8d0df85af2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.318627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091777/publication.txt
observed 20ef0cdf4de3816f4100ebfffb766eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.